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<h1 class="topictitle1">Updating a File Name Extension Filtering Rule</h1>
<div id="body0000001645228818"><p id="EN-US_TOPIC_0000001829899781__p8060118">This section describes how to change the file name extension filtering rule associated with a file system. After the change, the new <span id="EN-US_TOPIC_0000001829899781__text1033832914414">File Name Extension Filtering Rule</span> takes effect when the file name extension status changes to <span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol319661604311"><b>Applied</b></span>.</p>
<div class="section" id="EN-US_TOPIC_0000001829899781__section142071477415"><h4 class="sectiontitle">Prerequisites</h4><p id="EN-US_TOPIC_0000001829899781__p1246616101742">If you need to add a file name extension to be intercepted to the file system, create the <span id="EN-US_TOPIC_0000001829899781__text607098319">File Name Extension Filtering Rule</span> by referring to <a href="en-us_topic_0000001783060402.html">Creating a File Name Extension Filtering Rule</a>.</p>
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<div class="section" id="EN-US_TOPIC_0000001829899781__section463212115368"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000001829899781__en-us_topic_0000001337156461_ol159217814715"><li id="EN-US_TOPIC_0000001829899781__li18319144416020"><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol1163169044112717"><b>Data Security &gt; File Interception</b></span>.</span></li><li id="EN-US_TOPIC_0000001829899781__en-us_topic_0000001337156461_en-us_topic_0000001166366216_en-us_topic_0000001091431193_li12591123311535"><span>Click the <span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol1312862511363"><b><span id="EN-US_TOPIC_0000001829899781__text1146617119461"><strong>File Systems</strong></span></b></span> tab and choose <span class="menucascade" id="EN-US_TOPIC_0000001829899781__menucascade85584903615"><b><span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol1155549193615"><span id="EN-US_TOPIC_0000001829899781__text69159114614"><strong>More</strong></span></span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol449025019367"><span id="EN-US_TOPIC_0000001829899781__text17188183915"><strong>Update File Name Extension Filtering Rule</strong></span></span></b></span> in the row that contains a file system.</span><p><p id="EN-US_TOPIC_0000001829899781__p206187206372">The <span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol97020715383"><b><span id="EN-US_TOPIC_0000001829899781__text11941615693"><strong>Update File Name Extension Filtering Rule</strong></span></b></span> dialog box is displayed. All file name extension filtering rules associated file systems are selected by default. You can select or deselect a file name extension filtering rule in the list as required.</p>
<p id="EN-US_TOPIC_0000001829899781__p6316202119112"><span><img id="EN-US_TOPIC_0000001829899781__image1386142431219" src="en-us_image_0000001783060846.png"></span></p>
<p id="EN-US_TOPIC_0000001829899781__p1838795253718"></p>
</p></li><li id="EN-US_TOPIC_0000001829899781__li1918479182418"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol13382141812240"><b><span id="EN-US_TOPIC_0000001829899781__text14358104111468"><strong>OK</strong></span></b></span>.</span></li><li id="EN-US_TOPIC_0000001829899781__li1643473219246"><span>In the dialog box that is displayed, confirm the information and click <span class="uicontrol" id="EN-US_TOPIC_0000001829899781__uicontrol20684135402418"><b><span id="EN-US_TOPIC_0000001829899781__text9357443194614"><strong>OK</strong></span></b></span>.</span></li></ol>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000001829819717.html">Managing File Interception (Pre-event Interception)</a></div>
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